Finding the Third Proportional to 865,867,455 and 1,890,448,686
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Solution
The third proportional to 865,867,455 and 1,890,448,686 is: 4,127,417,208.91
Step by Step Solution
- Step 1: Write the proportion equation
865,867,455 : 1,890,448,686 = 1,890,448,686 : x - Step 2: Convert to fraction form
865,867,455/1,890,448,686 = 1,890,448,686/x - Step 3: Cross multiply
865,867,455x = 1,890,448,686 × 1,890,448,686 - Step 4: Simplify right side
865,867,455x = 3,573,796,234,399,126,528 - Step 5: Solve for x
x = 3,573,796,234,399,126,528/865,867,455 - Step 6: Final answer
x = 4,127,417,208.91
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.